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AutoRec: Autoencoders Meet Collaborative Filtering
TLDR
This paper proposes AutoRec, a novel autoencoder framework for collaborative filtering (CF). Expand
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IBM Research TRECVID-2007 Video Retrieval System
TLDR
In this paper, we describe the IBM Research system for indexing, analysis, and retrieval of video as applied to the TREC-2007 video retrieval benchmark. Expand
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Improving LDA topic models for microblogs via tweet pooling and automatic labeling
TLDR
We investigate methods to improve topics learned from Twitter content without modifying the basic machinery of LDA; we achieve this through various pooling schemes that aggregate tweets in a data preprocessing step. Expand
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Social media use by government: from the routine to the critical
TLDR
Social media (i.e., Twitter, Facebook, Flickr, YouTube) and other services with user-generated content have made a staggering amount of information (and misinformation) available. Expand
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Algorithms and system for segmentation and structure analysis in soccer video
TLDR
We present a novel system and effective algorithms for soccer video segmentation. Expand
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Social media use by government: From the routine to the critical
TLDR
This paper presents findings from a exploratory study we conducted between June and December 2010 with government officials in Arlington, VA (and the greater National Capitol Region around Washington, D.C.), with the broad goal of understanding social media use by government officials as well as community organizations, businesses, and the public at large. Expand
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Semantic concept-based query expansion and re-ranking for multimedia retrieval
TLDR
We study the problem of semantic concept-based query expansion and re-ranking for multimedia retrieval. Expand
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Structure analysis of soccer video with domain knowledge and hidden Markov models
TLDR
In this paper, we present statistical techniques for parsing the structure of produced soccer programs using domain knowledge and supervised learning of statistical models. Expand
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Structure analysis of soccer video with hidden Markov models
TLDR
In this paper, we present algorithms for parsing the structure of produced soccer programs. Expand
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How Does the Data Sampling Strategy Impact the Discovery of Information Diffusion in Social Media?
TLDR
This paper studies the impact of different attribute and topology based sampling strategies on the discovery of an important social media phenomena–information diffusion. Expand
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